package com.cmy.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession();
        if (request.getRequestURI().contains("login")){
            return true;
        }
        //放行判断
        if (session.getAttribute("userLogInfo")!=null){
            return true;
        }else {
            //没有登录
            request.getRequestDispatcher("/WEB-INF/jsp/login.jsp").forward(request,response);
            return false;
        }
    }
}

    